--- a/gcc/config/sparc/vxworks.h	Sun Aug 21 07:07:55 2011 +0900
+++ b/gcc/config/sparc/vxworks.h	Fri Oct 27 22:46:09 2017 +0900
@@ -1,6 +1,6 @@
 /* Definitions of target machine for GNU compiler,
    for SPARC targeting the VxWorks run time environment.
-   Copyright (C) 2007, 2010, 2011 Free Software Foundation, Inc.
+   Copyright (C) 2007-2017 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -34,7 +34,7 @@
 #define CPP_SUBTARGET_SPEC VXWORKS_ADDITIONAL_CPP_SPEC
 
 #undef ASM_SPEC
-#define ASM_SPEC "%{fpic|fPIC|fpie|fPIE:-K PIC} %(asm_cpu)"
+#define ASM_SPEC "%{" FPIE_OR_FPIC_SPEC ":-K PIC} %(asm_cpu)"
 
 #undef LIB_SPEC
 #define LIB_SPEC VXWORKS_LIB_SPEC
@@ -45,9 +45,6 @@
 #undef ENDFILE_SPEC
 #define ENDFILE_SPEC VXWORKS_ENDFILE_SPEC
 
-#undef TARGET_VERSION
-#define TARGET_VERSION fputs (" (SPARC/VxWorks)", stderr);
-
 #undef FUNCTION_PROFILER
 #define FUNCTION_PROFILER VXWORKS_FUNCTION_PROFILER
 
@@ -58,3 +55,10 @@
 /* We cannot use PC-relative accesses for VxWorks PIC because there is no
    fixed gap between segments.  */
 #undef ASM_PREFERRED_EH_DATA_FORMAT
+
+/* Define this to be nonzero if static stack checking is supported.  */
+#define STACK_CHECK_STATIC_BUILTIN 1
+
+/* This platform supports the probing method of stack checking (RTP mode).
+   8K is reserved in the stack to propagate exceptions in case of overflow.  */
+#define STACK_CHECK_PROTECT 8192